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Sudarshan Engineering

Sudarshan Engineering

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Dryers

We are leaders in the market for providing best range of Refrigerated Air Dryers, Heatless Air Dryers and Desiccant Heatless Type Dryers

Refrigerated Air Dryers

Refrigerated air dryers are the most advanced and cheapest mode of drying compressed air. This dryer operates on the principle that cooling of the compressed air. causes condensation of water carried by the compressed air in vapour form.
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Heatless Air Dryers

The theory behind operation of Heatless Dryers, is very simple. Chemicais which have the capacity to adsorb moisture on its surface. These adsorbents are used to dry the air. The adsorber are packed into two columns. The Cornpressed air is passed through this Column of packed adsorbent dessjcant. It is obvious that after a certain period or drying (i.e. few hours few minutes) the dessicant looses its capacjty to adsorb more moisture and hence is not capable of drying any more air, in its present Condition. The drying Capacity of the dessicant is restored by the process of regeneration.
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Desiccant Heatless Type Dryers

How does it workRegenerative desiccant dryers normally are of twin tower construction. One tower dries theairtrom the compressor while the desiccant in the othertower is being regenerated afterthepressure in the tower has been reduced to atmospheric pressure. Regeneration can beaccomplished using a time cycle or on demand by measuring the temperature or humidity inthe desiccant towers or by measuring the dew point ofthe air leaving the on-line tower.In the heatless regenerative desiccanttype, no internal or external heaters are used. Purgeair requirement can range up to 18% otthe total air-flow. The typical regenerative desiccantdryer at 1000 psig has a pressure dew point rating of-40°F but dew points down to -100F can be obtained. Advantages of Regenerative Desiccant

Type Dryers include :

  • Very tow dew points can be achieved without potentiai freeze-up.
  • Moderate cost of operation forthe dew points achieved.
  • Low maintenance costs.
  • Heatless type can be designed to operate pneumaticallv for remote, mobile or hazardous locations.

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